Microsoft 365 disruption spreads across email, Teams and AI services
A worldwide Microsoft 365 outage disrupted Outlook, Teams and Copilot while also affecting connectors used by ChatGPT and Claude.
A worldwide Microsoft 365 outage disrupted Outlook, Teams and Copilot while also affecting connectors used by ChatGPT and Claude. This is an original Token Times brief based on reporting by Cointelegraph, with live market data added, as of Fri, 13 Nov 2026 18:45:01 UTC.
The disruption reached core workplace tools and third-party AI services simultaneously, showing how a single Microsoft incident can affect communication, calendars and cloud-based AI workflows across sectors.
- Microsoft began a wider patch rollout Friday after the disruption began Thursday.
- Outlook, Teams and Copilot were affected, according to Protos.
- ChatGPT and Claude connectors linked to Microsoft 365 were disrupted.
- Bitcoin fell 4.16% over 24 hours amid a broader market decline.
- Microsoft 365 disruption spreads across email, Teams and AI services — this brief
- Microsoft Outage Spreads Across 74 Countries During Patch Rollout
The Microsoft 365 outage disrupted services used for email, collaboration and scheduling, with the event described as affecting users worldwide. Outlook email and Teams calendars were among the affected services, while Protos reported that the Microsoft assistant Copilot was also rendered unusable. The scale and breadth of the incident extended beyond Microsoft’s own applications.
Cointelegraph reported that the disruption affected government email and Microsoft 365 connectors used by ChatGPT and Claude. This meant the incident reached external AI services as well as workplace tools, interrupting some integrations between those platforms and Microsoft 365. Cointelegraph also said Microsoft began a wider patch rollout on Friday in response to the outage.
The two outlets agree on the central service failure but differ in how they frame its timing. Cointelegraph points to a Friday patch rollout, whereas Protos says the outage began on Thursday and assigns an impact figure of 430 million users to the disruption. No material contradiction between the accounts was reported, although the user total appeared only in Protos’s coverage.
The wider significance is the concentration of communication, calendar, productivity and AI functions within the Microsoft 365 ecosystem. An issue affecting Outlook, Teams and Copilot can therefore affect both day-to-day organizational work and cloud-based AI workflows. The reported impact on ChatGPT and Claude connectors also illustrates the operational exposure of third-party services that depend on Microsoft connections.
Crypto markets were broadly lower during the outage, but the supplied information does not identify a direct market link or a specific affected crypto asset. Total crypto market capitalization stood at $2.38 trillion, 
Bitcoin was down 4.16% over 24 hours, and the Fear & Greed index registered 20, labelled Extreme Fear. With no coin-specific development reported, the broader market decline provides context rather than evidence that the Microsoft disruption caused crypto losses; the patch rollout, restoration of affected services and stability of connected AI tools are the relevant operational developments to monitor.
Figures and sectors in this story, checked live against on-chain aggregators · November 13, 2026.
Token Times reads these figures directly from on-chain aggregators (DeFiLlama, mempool.space) at build time — independent of what any outlet reported. Sector totals aggregate every protocol DeFiLlama tracks in that category. Values are live and will change.
Microsoft 365 disruption spreads across email, Teams and AI — questions & answers
Which Microsoft 365 services were affected by the outage?
Outlets identified Outlook email, Teams and its calendar functions, and Copilot. Cointelegraph additionally reported disruption to government email and Microsoft 365 connectors used by ChatGPT and Claude.
How many users were affected according to Protos?
Protos reported that the outage rendered Outlook, Teams and Copilot useless for 430 million users. Cointelegraph did not provide an equivalent user figure.
What action did Microsoft take after the outage began?
Cointelegraph reported that Microsoft began a wider patch rollout on Friday. Protos said the outage itself began on Thursday.
Which outlets reported this story?
This is an original Token Times brief that synthesises reporting from Cointelegraph. It is not a copy of any one article — follow the source links above for the original reporting.
Original summary — not financial advice. This is an original Token Times brief that summarises a development reported elsewhere and adds live market data for context; it is not the original article and reproduces no part of it. Follow the source link above for full details. Crypto is volatile and high-risk — always do your own research.